Home / 104,382.14-156,601.44-74,434.20

Finding the Fourth Proportional to 104,382.14, 156,601.44 and 74,434.20

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Solution

The fourth proportional to 104,382.14, 156,601.44 and 74,434.20 is: 111,671.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,382.14 : 156,601.44 = 74,434.20 : x
  2. Step 2: Convert to fraction form
    104,382.14/156,601.44 = 74,434.20/x
  3. Step 3: Cross multiply
    104,382.14x = 156,601.44 × 74,434.20
  4. Step 4: Simplify right side
    104,382.14x = 11,656,502,905.25
  5. Step 5: Solve for x
    x = 11,656,502,905.25/104,382.14
  6. Step 6: Final answer
    x = 111,671.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.